Question

2(x-51)=2 .2 mũ 3 + 20

giúp mik vs ạ!

Answer 1

2(x-51) =2.2 mũ 3 + 20

2(x-51) =2.8+20

2(x-51) =16+20

2(x-51) =36

x-51 =36:2

x-51 =18

x =18+51

x =69

Answer 2

2. (x - 51) = 2. 2³ + 20

2. (x - 51) = 16 + 20

2. (x - 51) = 36

(x - 51) = 36 : 2

(x - 51) = 18

x = 18 + 51

x = 69

Answer 3

\(2\left(x-51\right)=2.2^3+20\)

=> \(2\left(x-51\right)=2^4+20\)

=> \(x-51=\left(2^4+20\right):2=2^3+10\)

=> \(x=2^3+10+51\)

Answer 4

2(X-51)=2.2^3+20
2(X-51)=2.8+20
2(X-51)=16+20
2(X-51)=36
   X-51 =36:2
   X-51 =18
       X   =18+51
       X   =69